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MozillaCVE-2017-7793

HistoryJun 11, 2018 - 9:29 p.m.

CVE-2017-7793

2018-06-1121:29:09

CWE-416

mozilla

web.nvd.nist.gov

cve-2017-7793

security vulnerability

fetch api

firefox

thunderbird

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.1

Confidence

High

EPSS

0.005

Percentile

77.3%

JSON

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Affected configurations

Nvd

Vulners

Node

debiandebian_linuxMatch7.0

debiandebian_linuxMatch8.0

debiandebian_linuxMatch9.0

Node

redhatenterprise_linuxMatch5.0

redhatenterprise_linuxMatch6.0

redhatenterprise_linuxMatch7.0

redhatenterprise_linux_desktopMatch5.0

redhatenterprise_linux_desktopMatch6.0

redhatenterprise_linux_desktopMatch7.0

redhatenterprise_linux_serverMatch5.0

redhatenterprise_linux_serverMatch6.0

redhatenterprise_linux_serverMatch7.0

redhatenterprise_linux_server_ausMatch7.3

redhatenterprise_linux_server_ausMatch7.4

redhatenterprise_linux_server_eusMatch7.3

redhatenterprise_linux_server_eusMatch7.4

redhatenterprise_linux_server_eusMatch7.5

redhatenterprise_linux_workstationMatch5.0

redhatenterprise_linux_workstationMatch6.0

redhatenterprise_linux_workstationMatch7.0

Node

mozillathunderbirdRange<52.4.0

Node

mozillafirefoxRange<56.0

Node

mozillafirefox_esrRange<52.4.0

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "56",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]